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  • Cross-reference between delphi records

    - by Paul-Jan
    Let's say I have a record TQuaternion and a record TVector. Quaternions have some methods with TVector parameters. On the other hand, TVector supports some operations that have TQuaternion parameters. Knowing that Delphi (Win32) does not allow for forward record declarations, how do I solve this elegantly? Using classes is not really an option here, because I really want to use operator overloading for this rare case where it actually makes good sense. For now I simply moved these particular methods out of the records and into separate functions, the good old-fashioned way. Better suggestions are most welcome.

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  • Changing the language for NSLocalizedString() in run time

    - by user117758
    I have an iPhone application which has a button to change display language in run time. I have looked at NSLocalizedString() which will return the appropriate strings according to system preference. What are my options rather than hard coding all the display strings and return according to user language selection in run time? Any pointers will be much appreciated.

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  • Interface in a dynamic language?

    - by Bryan
    Interface (or an abstract class with all the methods abstract) is a powerful weapon in a static language. It allows different derived types to be used in a uniformed way. However, in a dynamic language, all objects can be used in a uniformed way as long as they define certain methods. Does interface exist in dynamic languages? It seems unnecessary to me.

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  • Techniques for Visualizing Data

    - by Rob Wilkerson
    I'm looking into providing several methods of visualizing a large volume of data. This may include, but will not be limited to, simple graphing. The techniques I'm exploring will involve shapes, text and lines. It will also involve interaction with elements (hiding, focusing, etc.) and animation (shifting, dragging, systematic reorganizing, etc.) of those elements. SVG or Canvas seem like the obvious choices (in conjunction with a JS library--probably jQuery), but the lack of cross-browser availability is a concern. I'd prefer to avoid Flash/Flex, but right now it's the only rock solid, cross-browser technology I've found if support for IE7/8 is a requirement. Does anyone have any other suggestions or any additional information that would make a technology I've listed seem even more appealing? Thanks.

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  • cross-user C# mutex

    - by Martin
    My app is forced to use a 3rd party module which will blue-screen Windows if two instances are started at the same time on the same machine. To work around the issue, my C# app has a mutex: static Mutex mutex = new Mutex(true, "{MyApp_b9d19f99-b83e-4755-9b11-d204dbd6d096}"); And I check if it's present - and if so I show an error message and close the app: bool IsAnotherInstanceRunning() { if (mutex.WaitOne(TimeSpan.Zero, true)) return (true); else return (false); } The problem is if two users can log in and open the application at the same time, and IsAnotherInstanceRunning() will return false. How do I get around this?

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  • When would I use "scripts" or "scripting" in a game, as opposed to the core language?

    - by Brian Reindel
    The terms scripts and scripting appear to be used interchangeably on the Game Development Stack Exchange, but other than reading questions about a scripting language choice, I don't understand the relationship between scripts and scripting, and the core language. What does a script typically do, when would it be used, and are scripts in some contexts (as defined by game programmers) different than a scripting language?

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  • Crystal Report Portuguese language support

    - by Ravi Gupta
    Hi I am using Crystal Reports 10 with IIS Server. I wish to display some of the reports in Portuguese language. How can I configure Crystal Reports to display data in Portuguese ? I guess I will need to download a language pack for this but will it allow word-by-word conversion from English to Portuguese ? Grammatically correct sentences are not currently my concern. Any inputs will be greatly appreciated.

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  • C language preprocessor behavior

    - by khanna_param
    There are different kind of macros in C language, nested macro is one of them. Considering a program with the following macro #define HYPE(x,y) (SQUR(x)+SQUR(y)) #define SQUR(x) (x*x) Using this we can successfully compile to get the result. As we all know the C preprocessor replaces all the occurrence of the identifiers with the replacement-string. Considering the above example I would like to know how many times the C preprocessor traverses the program to replace the macro with the replacement values. I assume it cannot be done in one go.

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  • Cross-Browser CSS3 Rule

    - by Alexander Corotchi
    I have a stupid question, If I want to add round corner for an element in browsers which support some stuff of CSS3, I have to repeat style several time for each browser, because it is different ? For ex : -moz-border-radius: 12px; /* FF1+ */ -webkit-border-radius: 12px; /* Saf3+, Chrome */ border-radius: 12px; /* Opera 10.5, IE 9 */ It means, that I have to add 3 styles for this radius border, doesn't it ?

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  • Doing Cross-platform builds with Qt Creator

    - by Joe Cannatti
    I am working on a desktop application using the Qt framework and Qt Creator IDE. I am doing my development on mac, and would like to begin testing on Windows as well. I am having trouble finding documentation on how do this. What's is the best way to develop on mac and automate windows builds of a Qt Creator project?

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  • Why is go language so slow?

    - by oraz
    As we can see from The Computer Language Benchmarks Game: go is in average 10x slower then C go is 3x slower then Java !? How it can be bearing in mind that go compiler produces native code for execution? Immature compilers for go? Or there is some intrinsic problem with the go language?

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  • What syntax element do you hate most in a programming language you use frequently?

    - by Timwi
    No matter how much you love a programming language, there are always a few details in it that aren’t quite as nice as they could be. In this question, I would like to specifically focus on syntax elements. In a programming language that you use frequently (perhaps your favourite programming language, or perhaps the one you are forced to use at work), which syntax element do you find most unreadable, unclear, inconvenient or unpleasant?

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  • Programming language detection in PHP

    - by nandu
    I need to detect which programming language is used in a code snippet, there is any library to do this? I already read this http://stackoverflow.com/questions/475033/detecting-programming-language-from-a-snippe, but I rather use a tested and working library.

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  • Why aren't there automated translators from one programming language to another?

    - by serg
    Most programming languages are Turing complete, which means that any task that can be solved in one language can be solved in another one, or even on Turing machine. Then why aren't there automatic translators that can convert programs from any given language to any other language? I've seen couple attempts for two languages, but they always work only on a limited subset of a language and can hardly be used for converting real projects. Is it possible, at least in theory, to write 100% correct translator between all languages? What are the challenges in practice? Are there any existing translators that work?

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  • convert any language into PHP sourcecode

    - by dreftymac
    Question: Is there any such thing as a programming language (other than an esoteric language such as BrainF@#$, or the languages PHP or VB) that you can "compile" into non-obfuscated PHP source code? Rationale: Swip wants to generate ordinary PHP code because it is so ubiquitous for the types of projects swip wants to do. Unfortunately swip would like to actually avoid writing PHP -- strange but true! Swip is crazy enough to want to generate PHP source code without having to type any PHP into Swip's editor.

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  • How often is your "Go-To" language the same as your favorite??

    - by K-RAN
    I know that there's already a question asking for your favorite programming language here. I'm curious though, what's your go-to language? The two can be very different. For example, I love Haskell. I learned it this past semester and I fell in love with it's very concise solutions and awesome syntax (I love theoretical math so something like fib = 1 : 1 : [ f | f <- zipWith (+) fibSeq (tail fibSeq)] makes my inner mathematician and computer scientist jump with joy!). However, the majority of my projects for classes and jobs have been in C/C++ & Java. As a result, most of the time when I'm testing something like an algorithm or Data Structure I go straight to C++. What about you guys? What languages do you love and why? What about your go-to language? What language do you use most often to get things done for work or personal projects and why? How often does a language fall into both categories??

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  • Best beginner programming language?

    - by mtwisterr
    I want to learn a simple language so I can code simple things maybe eventually a game but I don't know where to start. I can code simple things using apple script but you can't do that much with that and it only works on macs. I have a mac and a dell so something that I could code and run on both would be nice. Also all my school offers is java so if you have any ideas on how to learn the language that would be appreciated. Thanks

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  • Package to compare LSA, TFIDF, Cosine metrics and Language Models

    - by gouwsmeister
    Hi, I'm looking for a package (any language, really) that I can use on a corpus of 50 documents to perform interdocument similarity testing in various metrics, like tfidf, okapi, language models, lsa, etc. I want as a result a document similarity matrix, i.e. doc1 is x% similar to doc2, etc... This is for research purposes, not for production. I specifically want the doc similarity matrix as I want to correlate this with human ratings. Thank you in advance!

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  • Using a Cross Thread Boolean to Abort Thread

    - by Jon
    Possible Duplicate: Can a C# thread really cache a value and ignore changes to that value on other threads? Lets say we have this code: bool KeepGoing = true; DataInThread = new Thread(new ThreadStart(DataInThreadMethod)); DataInThread.Start(); //bla bla time goes on KeepGoing = false; private void DataInThreadMethod() { while (KeepGoing) { //Do stuff } } } Now the idea is that using the boolean is a safe way to terminate the thread however because that boolean exists on the calling thread does that cause any issue? That boolean is only used on the calling thread to stop the thread so its not like its being used elsewhere

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  • Python: How to make a cross-module variable?

    - by Dan Homerick
    The __debug__ variable is handy in part because it affects every module. If I want to create another variable that works the same way, how would I do it? The variable (let's be original and call it 'foo') doesn't have to be truly global, in the sense that if I change foo in one module, it is updated in others. I'd be fine if I could set foo before importing other modules and then they would see the same value for it.

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  • What programming language was used to develop Windows OS?

    - by nardo
    I am very new to programming and I have started to learn programming just last week. I am still having trouble understanding about programming languages, especially what to use in a particular system. My first language is Java and it's the only programming language I have experience with. I know there are a lot of programming languages out there but I am so curious what programming language was used to develop Windows? Can Java be used to develop an OS?

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  • What do you miss in C# language most [closed]

    - by Peter Stegnar
    Possible Duplicates: Most wanted feature for C# 4.0 ? What features should C# 4.0 onwards have to encourage switching from Java? Possible Duplicate: Most wanted feature for C# 4.0 ? C# language is around for about 10 years and it is becoming pretty mature language, but anyway, I wonder what do you miss most in C#? What do you need and is not available in it?

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